Merge pull request #5 from minexew/master

Fix module declarations & package.json
Merge pull request #7 from minexew/master

Add configuration for pre-compiling as a static library
Merge pull request #8 from minexew/master

Add Vector.this(string) constructor
Merge pull request #9 from minexew/master

Make Vector methods const (where applicable), add unittest
Fixed #6